razmena

1. exchange
   Bila sam na razmeni studenata u Nemačkoj. — I was on a student exchange in Germany.
   Sastanak je služio za razmenu iskustava. — The meeting was for exchanging experiences.
2. (in economics) trade
   Robna razmena između Srbije i Kine stalno raste. — Trade between Serbia and China keeps growing.

What is exchanged usually follows in the genitive: razmena informacija, razmena zarobljenika.